Quarter	Percent, Seasonally Adjusted
2004-01-01	81.8777343759488
2004-04-01	82.1194497747979
2004-07-01	83.6934482399069
2004-10-01	83.4033962075739
2005-01-01	84.9597573151783
2005-04-01	83.8203436082187
2005-07-01	84.0845369775077
2005-10-01	83.6208814009712
2006-01-01	83.0511227525267
2006-04-01	83.0793254640459
2006-07-01	83.1436453208278
2006-10-01	84.4860474849194
2007-01-01	83.0272302522327
2007-04-01	82.6492045134196
2007-07-01	84.0429973425045
2007-10-01	83.2798533171839
2008-01-01	85.8305696441805
2008-04-01	86.4909207200535
2008-07-01	86.0953882270006
2008-10-01	89.2216429111544
2009-01-01	82.5695311169031
2009-04-01	83.6774881700163
2009-07-01	84.6935410113998
2009-10-01	85.1671610117261
2010-01-01	84.9644862284003
2010-04-01	86.4876207864270
2010-07-01	84.9755968987561
2010-10-01	83.9680597026920
2011-01-01	84.8988345516186
2011-04-01	85.2082596239806
2011-07-01	85.1782030320328
2011-10-01	85.8658091897280
2012-01-01	86.5532346259470
2012-04-01	86.2956789748269
2012-07-01	86.2249222288256
2012-10-01	86.8827671845593
2013-01-01	86.4057217989549
2013-04-01	86.2904531284299
2013-07-01	86.6567934142836
2013-10-01	85.2149110004148
2014-01-01	85.1868658248840
2014-04-01	84.8485915337671
2014-07-01	85.1441341823642
2014-10-01	84.2701690087908
2015-01-01	83.2031697162696
2015-04-01	82.7152317670202
2015-07-01	81.6089569724900
2015-10-01	80.9642167625488
2016-01-01	80.3286192526758
2016-04-01	80.2724043586769
2016-07-01	79.3830714810312
2016-10-01	81.3147526619561
2017-01-01	80.0023863246650
2017-04-01	79.5500750248885
2017-07-01	80.5330336168169
2017-10-01	81.0448479632147
2018-01-01	81.8726067671140
2018-04-01	82.6169569967109